Manette McDermott PhD. At a quick glance anyone can seeManette is a teacher of the language of the heart, sign language and meditation. She works with senior citizens, babies, and people with disabilities. Manette McDermott PhD., B.A., Psychology; M.A., Linguistics; Ph.D., Linguistics, and one of our SignShine® Instructors. These are just a few of the words that describe the wonderful Manette. Though these words tell